function circleFun(r) {
    return {
        circumference:function (r) {
            var C=Math.PI*r*2;
            console.log("C of the circle is :"+C)
        },
        area:function (r) {
            var S=Math.PI*Math.pow(r,2);
            console.log("S of the circle is :"+S)
        }
    }
}
module.exports=circleFun;